January Weather in Arita, Japan

Last updated: August 21, 2025

In Arita, Japan, January presents a mild yet varied climate. The maximum temperature reaches a comfortable 18°C (64°F), while the average hovers around 7°C (44°F), dipping to a chillier -2°C (28°F) at night. Precipitation is notable, with 56 mm (2.2 in) of rain spread over 7 days, contributing to a humidity level of 73% that complements the cool, crisp air. Visitors can expect a blend of refreshing days and invigorating nights, making it an ideal time for exploring the region's charm.

January Temperature in Arita

In Arita, Japan, January presents a crisp winter landscape, with temperatures ranging from a chilly -2°C (28°F) at night to a mild 18°C (64°F) during the day. The average temperature hovers around 7°C (44°F), typical for this time of year. As January wraps up its icy embrace, the gradual warming trend becomes apparent, leading into February, where daytime highs can reach 21°C (70°F). The month’s cold nights remain similar, but the slowly rising averages hint at an approaching spring. This clear pattern—marked by cold beginnings and warmer peaks—sets the stage for an early transition, with each subsequent month showcasing a significant increase in warmth and vibrancy as Arita ushers in the seasons.

January Weather in Arita: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Arita, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arita, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec444552596873808376675747
Data source: Temperature data for Arita generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Arita

In Arita, Japan, January experiences a modest precipitation total of 56 mm (2.2 in), falling over approximately 7 days. This marks the beginning of the year with relatively light rain, especially when compared to the heavier rainfall that peaks in the summer months of July and August, where precipitation soars to 385 mm (15.2 in) and 297 mm (11.7 in) respectively. As winter transitions into spring, precipitation gradually increases, with March seeing a more substantial 136 mm (5.3 in). The trend indicates a shift toward a wetter climate as the year progresses, highlighting Arita's seasonal variations that bring both a serene winter and a lush, vibrant summer.

January Precipitation Trends in Arita

The chart displays monthly precipitation patterns in Arita, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Arita, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec56811361191772093852972181165576
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Arita

In January, Arita, Japan, experiences a humidity level of 73%, marking the beginning of the year with a mild yet noticeable moisture in the air. This slight increase in humidity compared to the preceding months sets the stage for a gradual rise as winter transitions into spring. As February approaches, the humidity dips to 69%, only to rise again through March, reaching 71%. However, the real shift occurs in April, when humidity surges to 79% and continues its upward trajectory, peaking in the warm summer months—with July reaching a staggering 97%. This trend reflects a pronounced seasonal pattern, where the air becomes increasingly saturated as the year progresses, culminating in a very humid environment that dominates the peak of summer before gradually subsiding in fall and winter.

January Average Humidity in Arita

This chart illustrates the average monthly humidity levels in Arita, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Arita is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%69%71%79%87%92%97%94%84%79%75%72%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Arita

In January, Arita, Japan, experiences a moderate UV Index of 4, with a burn time of approximately 30 minutes under direct sunlight. This is a gentle start to the year, but as winter yields to spring, we see a significant rise in UV levels. By February, the index climbs to 6, indicating high exposure risk with a reduced burn time of just 25 minutes. The trend continues with March and April reaching 8 and 10, respectively, both categorized as very high exposure, where the burn time drops to just 15 minutes. As the months progress into late spring and summer, the UV Index peaks, reaching an extreme level of 11 in May and June, before hitting its highest point of 12 in July and August, where the burn time shortens to a mere 10 minutes. This high UV intensity persists into September, followed by a gradual decrease in October and November, which both return to high levels of 6 to 7. Finally, the year closes with January and December bringing back the moderate index of 4. With these trends in mind, it's crucial to stay informed and protect your skin throughout the year—check the full details at Arita UV Index.

Maximum UV Index Levels in Arita for January

The chart shows the monthly maximum UV Index (UVI) for Arita in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Arita typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121211764
Data source: Arita January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Arita

In Arita, Japan, January sets the stage with 166 hours of sunshine, a gentle precursor to the brighter days ahead. As the year unfolds, daylight steadily increases, culminating in August, which basks in an impressive 297 hours of sun. This month stands out, showcasing the region's warm, vibrant summer. The transition into autumn sees a gradual decline, with September and October enjoying 254 and 253 hours respectively, hinting at the approach of winter. Notably, December embraces a serene yet crisp 199 hours, signaling a cozy end to the year. This yearly cycle beautifully illustrates the ebb and flow of sunlight in Arita, inviting visitors to relish each distinct season.

Monthly Sunshine Duration in Arita: January Highlighted

The January sunshine duration represents the total number of hours Arita experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec166h226h260h279h281h262h268h297h254h253h231h199h
Data source: Arita January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Arita During January

In Arita, Japan, January ushers in a 35% chance of sunny weather, marking it as a month with moderate sunshine compared to the rest of the year. Following the crisp cold of January, February sees a notable increase in sunny days, reaching 45%, which hints at a gradual transition towards spring. Interestingly, both March and April mirror January's sunny likelihood at 35% and 40% respectively, suggesting a somewhat consistent pattern as winter wanes. As the year progresses into May, the sunshine dips slightly to 32%, reinforcing the notion that while January might not be the sunniest month, it plays a crucial role in the overall weather trajectory, providing a bridge to brighter days ahead.

Percentage of Sunny Days in January in Arita

The chart illustrates the percentage of sunny days in Arita throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Arita experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%45%35%40%32%24%20%27%32%62%51%42%
Data source: Arita January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Arita in January

In Arita, Japan, January brings approximately 10 hours of daylight, a duration that remains consistent into February. As spring approaches, the days begin to lengthen slowly, reaching 11 hours in March, before enjoying a more significant increase to 13 hours in both April and May. The momentum continues into June and July, where daylight peaks at 14 hours, celebrating the height of summer. As autumn arrives, daylight gradually diminishes, dropping to 12 hours in September and 11 hours in October. By November, daylight shrinks back to 10 hours, eventually tapering to just 9 hours in December. This rhythmic pattern showcases the beautiful seasonality of Arita's daylight, reflecting nature's cyclical dance throughout the year.

Average Daylight Hours in Arita for January

The chart illustrates the variation in daylight duration in Arita throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 13m10h 59m11h 58m13h13h 51m14h 17m14h 4m13h 19m12h 21m11h 19m10h 26m9h 59m
Data source: Arita daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Arita

In Arita, Japan, January welcomes visitors with a gentle breeze, featuring an average wind speed of 3.1 m/s (7 mph). This briskness is consistent, as February maintains the same wind velocity, creating a delightful chill that dances through the village. As winter transitions into spring, wind speeds gradually decline, dipping to about 2.8 m/s (6 mph) in March and April before settling at a softer 2.6 m/s (6 mph) by May. The lighter winds continue through the summer, with even lower speeds of 1.8 m/s (4 mph) in June, fostering a serene atmosphere. By the time fall arrives, the winds pick up slightly again, peaking at 3.0 m/s (7 mph) in December, hinting at the seasonal cycles that define Arita’s charming climate. Through this subtle fluctuation, the January wind serves as an invigorating prelude to the seasonal shifts that follow.

Average January Wind Speed in Arita

The chart displays monthly wind speed patterns in Arita, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.1 m/s3.12.82.82.61.82.32.42.42.32.63.0
Data source: Arita January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Arita Compares to Other Months

Weather in Arita varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Arita, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, temperatures in Arita hover between a chilly minimum of -2°C (28°F) and a maximum of 18°C (64°F), with an average of 7°C (44°F). The month sees about 56 mm (2.2 in) of precipitation over 7 days, while humidity remains relatively high at 73%. In contrast, February experiences a slight increase in average temperatures, with a minimum of -2°C (29°F) and a maximum climbing to 21°C (70°F), resulting in an average of 7°C (45°F). However, February also brings increased precipitation, totaling 80 mm (3.2 in) over 10 days, while humidity decreases slightly to 69%. For more detailed information, you can check Arita weather in February.

In January, the weather tends to be cooler, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 18°C (64°F) and an average of 7°C (44°F). During this month, precipitation is relatively low at 56 mm (2.2 in), falling on about 7 days, while humidity averages around 73%. In contrast, March sees a noticeable increase in temperatures, with a minimum of 2°C (36°F) and a maximum of 23°C (73°F), resulting in an average of 11°C (53°F). However, March is also wetter, with 136 mm (5.3 in) of precipitation recorded over approximately 10 days, and humidity slightly decreases to 71%. For more specific details about Arita's weather in March, you can visit Arita weather in March.

In January, the weather is quite chilly, with temperatures ranging from a minimum of -2°C (28°F) to an average of 7°C (44°F) and a maximum of 18°C (64°F). Precipitation is relatively moderate at 56 mm (2.2 in) over about 7 days, while humidity hovers around 73%. In contrast, April brings a significant warming trend, with temperatures ranging from a minimum of 4°C (39°F) to an average of 15°C (60°F) and peaking at 29°C (84°F). However, April experiences higher rainfall, with 118 mm (4.7 in) spread over 9 days, and humidity rises slightly to 79%. This shift signifies the transition into spring, making April a more dynamic month in terms of weather. For more information, you can check Arita weather in April.

January and May present contrasting weather patterns. In January, temperatures range from a chilly -2°C (28°F) to a mild 18°C (64°F), with an average of 7°C (44°F). The month experiences moderate precipitation of 56 mm (2.2 inches) over about 7 days, accompanied by a humidity level of 73%. In contrast, May boasts much warmer temperatures, with a minimum of 8°C (46°F), an average of 20°C (68°F), and a maximum reaching 30°C (86°F). However, it is also significantly wetter, with total precipitation of 177 mm (7.0 inches) over approximately 11 days, and the humidity is somewhat higher at 87%. For more detailed information, you can check Arita weather in May.

January and June present a striking contrast in weather conditions. In January, temperatures range from a chilly -2°C (28°F) to a mild 18°C (64°F), with an average of 7°C (44°F). The month sees about 56 mm (2.2 in) of precipitation over 7 days, coupled with a humidity level of 73%. Conversely, June offers much warmer temperatures, with a minimum of 15°C (59°F) and a maximum reaching 32°C (90°F), averaging 23°C (74°F). This month is also marked by significantly higher precipitation, totaling 209 mm (8.2 in) over 13 days and increased humidity at 91%. For more details on the weather in June, you can check Arita weather in June.

January and July present starkly contrasting weather conditions. In January, temperatures range from a chilly minimum of -2°C (28°F) to a mild maximum of 18°C (64°F), with an average of 7°C (44°F). The month experiences 56 mm (2.2 in) of precipitation over about 7 days, coupled with a humidity level of 73%. Conversely, July sees a significant rise in temperatures, with a minimum of 18°C (65°F) and a maximum soaring to 36°C (97°F), averaging around 27°C (80°F). This summer month is considerably wetter, receiving 385 mm (15.2 in) of rainfall spread across 18 days, and the humidity peaks at a staggering 97%. For more detailed insights, check Arita weather in July.

In January, the weather tends to be quite cool, with temperatures ranging from a chilly -2°C (28°F) to a mild 18°C (64°F), accompanied by an average precipitation of 56 mm (2.2 in) over about 7 days. The humidity is relatively moderate at 73%, making for brisk winter conditions. In stark contrast, August experiences significantly warmer temperatures, with lows around 19°C (67°F) and highs soaring up to 38°C (100°F). The summer month sees an increase in rainfall, totaling 297 mm (11.7 in) over approximately 15 days, and the humidity rises to a steamy 94%. For a more detailed look at August weather, check Arita weather in August.

January and September present stark contrasts in weather. January is characterized by cooler temperatures, with a minimum of -2°C (28°F) and an average of 7°C (44°F), while maximum temperatures reach up to 18°C (64°F). The month sees about 56 mm (2.2 in) of precipitation over 7 days, along with a relatively high humidity of 73%. In comparison, September brings warmer weather, with minimum temperatures around 16°C (61°F) and averages peaking at 24°C (76°F); maximum temperatures can soar to 34°C (94°F). Precipitation significantly increases to 218 mm (8.6 in) across 15 days, accompanied by even higher humidity levels at 84%. For a detailed look at September weather, check out Arita weather in September.

January and October present stark contrasts in weather. In January, temperatures range from a chilly -2°C (28°F) at night to a comfortable 18°C (64°F) during the day, with an average of 7°C (44°F). Precipitation is moderate at 56 mm (2.2 in), occurring over 7 days, with humidity hovering around 73%. In contrast, October brings much warmer temperatures, with nighttime lows of 10°C (49°F) and daytime highs reaching up to 31°C (88°F), averaging 19°C (67°F). This month also sees increased rainfall at 116 mm (4.6 in) over 9 days and a higher humidity level of 79%. For more detailed information, check out Arita weather in October.

In January, the weather is notably colder, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 18°C (64°F), and an average of 7°C (44°F). This month also experiences slightly higher humidity at 73% and similar precipitation levels to November, with 56 mm (2.2 in) over 7 days. In contrast, November offers milder temperatures, with a minimum of 3°C (37°F) and a maximum of 24°C (76°F), resulting in a more pleasant average of 14°C (57°F). The humidity in November is slightly higher at 75%, with comparable rainfall at 55 mm (2.2 in) over the same duration. For more details on the weather in November, check Arita weather in November.

In December, the weather in Arita sees slightly warmer temperatures with a minimum of 0°C (32°F) and an average of 8°C (48°F), peaking at a maximum of 23°C (73°F). In contrast, January is cooler, with temperatures ranging from a minimum of -2°C (28°F) to an average of 7°C (44°F), and a maximum of 18°C (64°F). December also experiences higher precipitation, totaling 76 mm (3.0 in), compared to January's 56 mm (2.2 in), although both months see precipitation on about 7 days and similar humidity levels, with December at 72% and January at 73%. For more details, you can check Arita weather in December.

Compare Arita's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Arita

January in Arita brings a distinct chill compared to the milder months that precede and follow it. With average temperatures hovering around 7°C (44°F), this winter month is characterized by its cool and crisp air, making it a refreshing change for visitors. Unlike the warmer, humid days of summer, January experiences higher humidity levels and occasional rain, averaging around 56 mm over approximately 7 days. While temperatures can dip as low as -2°C (28°F), the serene winter atmosphere offers a unique backdrop to explore the region’s charm. For a deeper look into Arita's climate throughout the year, visit Arita Climate.